File: tail-call-amdgpu-gfx.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (38 lines) | stat: -rw-r--r-- 1,581 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-SELDAG -enable-var-scope %s
; RUN: llc -global-isel -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-GISEL -enable-var-scope %s


; Callee with VGPR arguments
define hidden amdgpu_gfx float @callee(float %v.arg0, float %v.arg1) {
; GCN-LABEL: callee:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT:    v_add_f32_e32 v0, v0, v1
; GCN-NEXT:    s_setpc_b64 s[30:31]
  %add = fadd float %v.arg0, %v.arg1
  ret float %add
}

define amdgpu_gfx float @caller(float %arg0) {
; GCN-SELDAG-LABEL: caller:
; GCN-SELDAG:       ; %bb.0:
; GCN-SELDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-SELDAG-NEXT:    v_add_f32_e32 v0, 1.0, v0
; GCN-SELDAG-NEXT:    s_mov_b32 s37, callee@abs32@hi
; GCN-SELDAG-NEXT:    s_mov_b32 s36, callee@abs32@lo
; GCN-SELDAG-NEXT:    v_mov_b32_e32 v1, 2.0
; GCN-SELDAG-NEXT:    s_setpc_b64 s[36:37]
;
; GCN-GISEL-LABEL: caller:
; GCN-GISEL:       ; %bb.0:
; GCN-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-GISEL-NEXT:    v_add_f32_e32 v0, 1.0, v0
; GCN-GISEL-NEXT:    s_mov_b32 s36, callee@abs32@lo
; GCN-GISEL-NEXT:    s_mov_b32 s37, callee@abs32@hi
; GCN-GISEL-NEXT:    v_mov_b32_e32 v1, 2.0
; GCN-GISEL-NEXT:    s_setpc_b64 s[36:37]
  %add = fadd float %arg0, 1.0
  %call = tail call amdgpu_gfx float @callee(float %add, float 2.0)
  ret float %call
}